供求的英文：
supply and demand (econ.)

参考例句：

technical rally
由市场供求等内部因素引起的价格回升

Gap of supply and demand
供求差距

Temporary equilibrium of demand and supply
供求暂时平衡

We must try to maintain the equilibrium of supply and demand.
我们必须努力保持供求均衡。

In the conventional world of supply and demand where we all grew up, value came from scarcity
在我们大家生长的这个传统的供求世界里，物以稀为贵。

There is a need to conciliate both parties, which will require a more refined strategy than before.
这就有必要对供求双方进行协调，要做到这一点将需要一个比以往更精确的战略。

supply是什么意思：
v. 供给，供应；补充
n. 供给，供应；供应量，供应品；生活用品；生活费
adv. 柔韧地

Demand exceeds supply. The supply is not adequate to the demand．
供不应求

Furnish a village with supplies/furnish supplies to a village
供应某村庄生活用品

air-supply register
空气供应记录器

demand是什么意思：
n. 要求，所需之物；需求，需要
v. 要求；询问，质问；命令；需要

It is the demand, stupid.
傻瓜，答案是需求。

Demand exceeds supply. The supply is not adequate to the demand．
供不应求

I demand a recount.
我要求重算。

econ是什么意思：
n. 经济学(节约,节油器)